Using target-specific aptamers to enhance the peroxidase-like activity of gold nanoclusters for colorimetric detection of tetracycline antibiotics

Z Zhang, Y Tian, P Huang, FY Wu - Talanta, 2020 - Elsevier
Tetracycline antibiotics (TCs) are one kind of broad spectrum bacteriostatic agents.
However, excessive use of TCs will have a threat to the environment and human health …

Enhancement of the peroxidase-like activity of aptamers modified gold nanoclusters by bacteria for colorimetric detection of Salmonella typhimurium

Q Chen, R Gao, L Jia - Talanta, 2021 - Elsevier
A colorimetric aptasensor was developed for selective and sensitive detection of Salmonella
typhimurium (S. typhimurium) based on the enhancement of bacteria for the peroxidase-like …

Novel and remarkable enhanced-fluorescence system based on gold nanoclusters for detection of tetracycline

X Yang, S Zhu, Y Dou, Y Zhuo, Y Luo, Y Feng - Talanta, 2014 - Elsevier
Tetracycline and Eu 3+, while coexisting, usually appear as a complex by chelating. This
complex shows low fluorescence intensity, leading to its limitation of analytical goals. Gold …

Advances in gold nanoparticles-based colorimetric aptasensors for the detection of antibiotics: an overview of the past decade

QUA Zahra, Z Luo, R Ali, MI Khan, F Li, B Qiu - Nanomaterials, 2021 - mdpi.com
Misuse of antibiotics has recently been considered a global issue because of its harmful
effects on human health. Since conventional methods have numerous limitations, it is …

A novel colorimetric aptasensor using gold nanoparticle for a highly sensitive and specific detection of oxytetracycline

YS Kim, JH Kim, IA Kim, SJ Lee, J Jurng… - Biosensors and …, 2010 - Elsevier
We have successfully developed a novel colorimetric aptasensor using gold nanoparticles
for highly sensitive and specific detection of oxytetracycline (OTC), one of the most common …

Gold nanostar enhanced surface plasmon resonance detection of an antibiotic at attomolar concentrations via an aptamer-antibody sandwich assay

S Kim, HJ Lee - Analytical chemistry, 2017 - ACS Publications
A new sandwich assay for tetracycline (TC) involving a DNA aptamer and antibody pair is
demonstrated in conjunction with gold nanostar (GNS) enhanced surface plasmon …

Ultrasensitive SERS aptasensor for the detection of oxytetracycline based on a gold-enhanced nano-assembly

F Meng, X Ma, N Duan, S Wu, Y Xia, Z Wang, B Xu - Talanta, 2017 - Elsevier
This paper investigated a new detection method of oxytetracycline (OTC) in aquatic products
with ultrasensitive detection limit. The method was constructed on the basis of raman hot …

A broad-spectrum sensing strategy for the tetracycline family of antibiotics based on an ovalbumin-stabilized gold nanocluster and its application in a pump-free …

F Zhang, M Liu, R Liu, J Li, Y Sang, Y Tang… - Biosensors and …, 2021 - Elsevier
With increasing concerns related to the abuse of antibiotics in livestock production
worldwide, simple and rapid screening methods for monitoring antibiotics in animal-derived …

Gold nanoparticle-based colorimetric detection of kanamycin using a DNA aptamer

KM Song, M Cho, H Jo, K Min, SH Jeon, T Kim… - Analytical …, 2011 - Elsevier
A selective kanamycin-binding single-strand DNA (ssDNA) aptamer (
TGGGGGTTGAGGCTAAGCCGA) was discovered through in vitro selection using affinity …

A novel ratiometric fluorescence probe for highly sensitive and specific detection of chlorotetracycline among tetracycline antibiotics

L Meng, C Lan, Z Liu, N Xu, Y Wu - Analytica chimica acta, 2019 - Elsevier
It is of great importance to detect chlorotetracycline (CTC) in a highly sensitive and specific
way because of its wide distribution in aquaculture and animal husbandry. Herein, we …